Crescent 121-piece professional tool set contains a carefully selected assortment of Crescent brand hand tools needed for most industrial, mechanical and consumer applications. The set includes 1/4 in. Drive quick-release ratchets with a wide selection of stand ard and deep sockets in the most co mmon SAE and metric sizes. Included in the set are the following 3/8 in. Drive tools: a 72-tooth quick-release ratchet drive, 3 in. Extension, 23 twelve point sockets and 12 six point deep sockets (SAE and metric). It also includes the following 1/4 in. Drive tools: a 72-tooth quick-release ratchet drive, a 1/4 in. Bit adapter, 23 six point sockets and 12 six point deep sockets (SAE and metric). And an acetate magnetic bit driver with 10 driver bits and 12 hex nut setter bits (SAE and metric). 24 hex keys with tilt-out caddy in both SAE and metric are provided as well. All tools in this industrial quality tool set meet stringent new ANSI and ASME specifications and come with a full satisfaction guarantee. Contains a carefully selected assortment of hand tools needed for most industrial, mechanical and consumer applications. 72-tooth ratchet requires only a 5° swing arc to turn a fastener. Quick release allows for fast socket exchanges. Sockets feature off-corner loading technology to virtually eliminate fastener rounding. Manufactured from chrome alloy steel for better strength and longer tool life. Bright, full polish chrome finish easily wipes clean and resists corrosion. Ergonomic dual material bit driver for added strength and leverage fastening bits. Includes blow mold case for storage and organization. With a history of over 100 years of performance, quality and innovation, Crescent® is holding true to the fundamentals that have made it one of the most trusted names in hand tools and storage worldwide. A Set For Every Situation. Our mechanic’s tool sets are carefully created to include the most commonly used tools. Trusted By The Trades. Our mechanic’s hand tools are perfect for all trades including industrial, mechanical, automotive and consumer applications. Tools That Always Meet The Specs. All of our mechanic’s hand tools meet ANSI and ASME specifications. Providing Strength and Access. Our 60-tooth ratchets have a longer handle providing more access and greater torque. Manufactured For Exceptional Durability. Manufactured from our Crestoloy alloy steel, our mechanics tools will stand up to some of the toughest jobs. Quality Design For A Long Tool Life. Our mechanic’s tools feature a bright, full polish finish that resists rust and corrosion. 60-Tooth Quick Release Ratchets. Available in 1/4″, 3/8″ and 1/2 drive sizes. Includes: Extensions in various lengths, universal joints and drive adapters. 1/4 hex bit driver included in every set. Available in 6 and 12 point and standard and deep lengths. Our 6 and 12 point sockets and combination wrenches all feature our off-corner loading design which reduces fastener rounding allowing you to reuse the fastener if necessary.